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kompoz [17]
2 years ago
7

To help you rank the reactivity of the three metals you will be creating atomic charge models for each of the elements. You may

use the periodic table as a model to help you complete these individual models.
1. Complete the atomic charge models to show the charged substructure of sodium, magnesium and potassium.

Physics
2 answers:
Charra [1.4K]2 years ago
7 0

For sodium

  • Nucleus =11+
  • Core electrons=10-
  • Valence electrons=1-

For Magnesium

  • Nucleus=12+
  • Core electrons=10-
  • Valence electrons=2-

For potassium

  • Nucleus=19+
  • Core electrons=18-
  • Valence electrons=1-
gtnhenbr [62]2 years ago
4 0

Metals tend to readily lose electrons and form cations. Most of them react with atmospheric oxygen to form metal oxides. However, different metals have different reactivities towards oxygen (unreactive metals such as gold and platinum do not readily form oxides when exposed to air

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A light beam is incident on a piece of fluorite (n = 1.434) at the Brewster's angle.
trasher [3.6K]
The Brewster angle is the angle can be found through this equation
θ=arctan(n2/n1).
This came from Snell's Law:
n1sinθ=n2sin(90-θ)
          =n2cosθ
n2/n1=tanθ --- θ=arctan(n2/n1)=arctan(1.434)=55.11 degrees

Next, the angle of refraction can be found by using Snell's Law
n1sinθ=n2sinθ'
sin(55.11)=1.434sinθ'
sinθ'=sin(55.11)/1.434=0.572 --- θ'=arcsin(0.572)=34.89 degrees
5 0
3 years ago
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Andru [333]

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If you put DC into a transformer, all that comes out is smoke.

(a)

5 0
3 years ago
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We want to get a better, more concrete idea of the strength of the electric force. So imagine you could remove all the electrons
Advocard [28]

Answer:

Explanation:

solution answered below

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OleMash [197]

Answer:

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KatRina [158]

Answer:

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Explanation:

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